package com.mmall.util;

import org.apache.commons.lang3.StringUtils;

/**
 * Created by pc on 2019/3/23.
 */
public class LevelUtil {
    public final static String SEPARATOR = ".";
    public final static String ROOT = "0";
    public static String calculateLevel(String parentLevel,int parentId){
        if(StringUtils.isBlank(parentLevel)){
            return ROOT;
        } else {
            return StringUtils.join(parentLevel,SEPARATOR,parentId);
        }
    }
}
